Online Interval Timer

A very simple Online Interval timer for your interval training



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Interval Timer Setup


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No Intervals Added

Hint: Tap Add Interval to add an interval



Want a fully customisable Interval Timer?

Download Exercise Timer

Add your own exercise names, colors, unlimited intervals & much more!
Get it on Google Play Get it on AppStore

About this Online Interval Timer

This is a very easy to use Programmable Interval Timer. You can use it on your phone or desktop.

What is Interval Trianing?

Interval training is a type of training that alternates between periods of high-intensity exercise and periods of low-intensity recovery or rest. It's particularly popular among fitness enthusiasts due to its ability to improve both aerobic and anaerobic fitness levels in a time-efficient manner.

Why use an Interval Timer?

Interval training relies on precise durations of high and low-intensity periods. An interval timer will ensures that these periods are kept to accurately, optimizing the workout's effectiveness.


Using this online Interval Timer is easy. Just tap 'Start' to start the pre-configured interval timer.

If you want to add your own intervals, simply press the 'X' button on all intervals to remove them. Then press 'Add Interval' to add your own interval. You can also change the interval timer rounds.

You also have the option to enable sound for a sound alert the last 3 seconds of an interval. This will help you prepare for the next interval.

View In Full Screen

The interval timer is designed to work in full screen. Just scroll the site until the interval timer covers all the screen.

Interval Timer

Custom Interval Timer

If you wish to perform circuit training or a custom workout routine, then you are in the right place!
We have spent years creating Exercise Timer. It's a super flexible, fully customisable Interval Timer for Android, iOS, Apple Watch & Wear OS.
Get on iOS Get on Android


Available in Exercise Timer for Free
  • 2 Modes: For Reps or For Time
  • Drag and drop Workout Creator
  • Color Coded Exercises
  • Group Exercises & Repeat
  • Add Exercise Gifs
  • Optional Custom Exercise Bell
  • Share workouts as a link or pdf
  • + lots of other features
Ready to Workout?

Download Exercise Timer

Available on Android and iOS
Get it on Google Play Get it on AppStore